package day04.ext;

public class Demo01 {
    public static void main(String[] args) {
        int n = 8;
        String s = "8";
        test(n, s);
        System.out.println(n +" " + s);
    }
    public static void test(int n, String s){
        n = 5;
        s = "5";
    }
}

